feat(cashier): add GL denomination tracking, real-time balance, and enhanced closing report

- Save denomination breakdown for GL journal entries via new /cashier/gl-denomination endpoint
- Add payment type, date/time, teller name columns to GL Entries closing report
- Show GL badge for GL vouchers vs numeric ID for savings transactions
- Add payment type required and denomination overdraft validations for GL transactions
- Fix GL account number display in confirm dialog

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/cashier/closing-cash-report/closing-cash-report.component.html

@@ -212,8 +212,11 @@
           <thead>
             <tr>
               <th class="gl-th--voucher">Voucher No</th>
+              <th class="gl-th--date">Date</th>
               <th>A/C No</th>
               <th>A/C Name</th>
+              <th class="gl-th--pt">Payment Type</th>
+              <th class="gl-th--teller">Teller</th>
               <th class="num gl-th--dr">DR (₹)</th>
               <th class="num gl-th--cr">CR (₹)</th>
             </tr>
@@ -221,9 +224,29 @@
           <tbody>
             @for (r of glRows; track $index) {
               <tr [class.gl-row--dr]="r.dr > 0" [class.gl-row--cr]="r.cr > 0">
-                <td class="gl-voucher">{{ r.voucherNo }}</td>
+                <td class="gl-voucher">
+                  @if (r.txnSource === 'GL') {
+                    <span class="gl-badge">GL</span>
+                  } @else {
+                    {{ r.voucherNo }}
+                  }
+                </td>
+                <td class="gl-date">
+                  <div>{{ r.txnDate }}</div>
+                  @if (r.txnTime) {
+                    <div class="gl-time">{{ r.txnTime }}</div>
+                  }
+                </td>
                 <td class="gl-acno">{{ r.acNo }}</td>
                 <td class="gl-acname">{{ r.acName }}</td>
+                <td class="gl-pt">
+                  @if (r.paymentType) {
+                    <span class="gl-pt-badge">{{ r.paymentType }}</span>
+                  } @else {
+                    <span class="gl-pt-none">—</span>
+                  }
+                </td>
+                <td class="gl-teller">{{ r.tellerName || '—' }}</td>
                 <td class="num gl-amt--dr">
                   @if (r.dr > 0) {
                     ₹{{ r.dr | number: '1.2-2' }}
@@ -239,7 +262,7 @@
           </tbody>
           <tfoot>
             <tr class="gl-foot">
-              <td colspan="3" class="gl-foot__label">Total</td>
+              <td colspan="6" class="gl-foot__label">Total</td>
               <td class="num gl-amt--dr gl-foot__val">₹{{ glTotalDr | number: '1.2-2' }}</td>
               <td class="num gl-amt--cr gl-foot__val">₹{{ glTotalCr | number: '1.2-2' }}</td>
             </tr>